can I connect a new sink drain into toilet vent stack

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K

kat

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I want to move the sink (its currently in front the toilet too close). It's a very small bathroom from the 1940's.

mb7tps.jpg
 
Fantastic! (yes, the cast iron vent pipe is 2"). Is the height/placement of the T/Y connector important? (Could toilet backup into the sink if the connection is below the level of the toilet rim?)
 
Last edited:
2s7z0cj.jpg

2cmoqwy.jpg


better image of the toilet vent stack

also, I did this shower drain, so I think I can do this sink drain too.
 
kat said:
Fantastic! (yes, the cast iron vent pipe is 2"). Is the height/placement of the T/Y connector important? (Could toilet backup into the sink if the connection is below the level of the toilet rim?)
Click to expand...


No
It should not back up into sink
You are good to go with what you have planned
Good luck
 
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